Question

convert the following specific heat in calorie (kg celcius) aluminium =920× 10³ j/(kg c) glass= 669×10³ j/(kg c) iron =419× 10³ j/(kg c) copper = 389= 10³ j /(kg c)​

Answer 1

Answer:

Correct option is

A

8

Heat = latent heat + Heat required to raise temp

Q=mL+mC

p

ΔT

420=(m×2100×5+1×3.36×10

5

)×10

−3

where m is in gm.

m=8g